HCPL-523K

Logic Output Optoisolators Overview

The HCPL-523K is a dual-channel high-speed optocoupler featuring hermetically sealed ceramic packaging for Class K reliability. It operates with a data rate of 5 Mb/s and supports a forward current of 8 mA. The device provides an output current of 15 mA with a power dissipation rating of 200 mW. Electrical characteristics include a forward voltage of 1.3 V, rise time of 45 ns, and fall time of 10 ns. It withstands a reverse voltage of 3 V and functions within a temperature range from -55°C to +125°C.

Logic Output Optoisolators Feature Summary

• Hermetically sealed ceramic package ensures highest reliability standards
• Dual-channel architecture enables independent signal isolation
• High common-mode transient immunity supports noisy environments

Logic Output Optoisolators Applications

• Space-qualified electronic systems
• High-reliability industrial control circuits
• Military-grade communication interfaces

Logic Output Optoisolators Procurement Notes

Verify the specific suffix designation on the component marking to confirm exact manufacturing lot and qualification status. Ensure the procurement documentation explicitly states compliance with Class K reliability requirements. Confirm that the ceramic DIP-8 package matches the required thermal and mechanical specifications for the target application environment before finalizing orders.

Logic Output Optoisolators Selection Notes

Select this component when space-qualified performance and hermetic sealing are mandatory. The dual-channel design allows for efficient board space utilization in complex isolation tasks. Consider the 5 Mb/s data rate capability for high-speed digital signal transmission needs where electrical isolation is critical for system safety and integrity.

Logic Output Optoisolators Part Context

This part belongs to the HCPL series of high-speed optocouplers manufactured by Broadcom Limited. The series is known for providing robust electrical isolation between input and output circuits. The HCPL-523K specifically targets applications requiring superior environmental resistance and long-term stability compared to standard plastic-packaged variants.

Logic Output Optoisolators Replacement Considerations

Direct replacements must match the 8-pin PDIP ceramic package and dual-channel configuration. Verify that substitute parts meet the same 5 Mb/s data rate and 200 mW power dissipation limits. Ensure any alternative maintains equivalent insulation voltage ratings and operating temperature ranges for valid integration.